Coffee Cream Filling For Cupcakes. Buttercream, icing sugar, light brown sugar, coffee, instant coffee and 9 more. Mix in the sour cream and vanilla.
If you prefer a looser/ runnier pastry cream use 1 ½ tablespoons. Buttercream, icing sugar, light brown sugar, coffee, instant coffee and 9 more. Add the vanilla extract (¼tsp) and add the coffee a teaspoon at a time, beating in each addition before adding more.
